Windows 8 Pro and Upgrade to Windows 8.1+ Media Center?

Windows 8 Pro and Upgrade to Windows 8.1+ Media Center?

I have just finished building a HTPC. What I am trying to do is install Windows 8 Pro builder version on my new HTPC and then upgrade to Windows 8.1. and then purchase and install Windows Media center?

My question is in what sequence do I install all this??

The other question is I want to install windows 8 pro on a raid 0 configuration using 2 Samsung 256GB SSD's. My thinking is that I have to first create the raid 0 config, CTRL+i, then install windows 8 pro on the Raid configuration? I have already set the Sata controller to Raid mode and updated the bios.

Finding Original Win 8 Pro Key after Media Center UpgradeHere's the problem:
I purchased two Windows 8 Pro Keys from Microsoft, one for myself and one for a laptop I sold. Unfortunately, after I upgraded to Windows Media Center, I lost track of which key belongs to my laptop. Since a new key was generated for my installation with Media Center, I have...

Installation & Setup

Windows Media Center Win8Pro Complimentary Upgrade lostI installed Win8Pro and was given a free complimentary upgrade to Media Center which I added through the "Add Features" function with the serial I was emailed from microsoft. So I had to reinstall Win8Pro from disk because my backup became corrupt and tried to add the feature as I did before and it...

Installation & Setup

Windows Media Player vs Media Center avi issuesI installed Windows 8, and now avi files look like poo when played through Windows Media Center on my PC or X-box. The same .avi file looks great when Windows Media Player is used though.... I was using Windows 7 before the "upgrade" and Media Center worked just fine on my PC and X-box.
Example...

General Support

Windows Media CenterBefore I install Windows 8 I would like to have the key code for Windows Media Center. I have been waiting for over 2 days for Microsoft to send me the key code. Do I have to have Windows 8 installed and activated before they will send me the key code?